(19)

(11)

EP 1 636 493 A1

(12)

(43) Date of publication: 22.03.2006 Bulletin 2006/12 (21) Application number: 04744048.2 (22) Date of filing: 18.06.2004

(51) International Patent Classification (IPC):  F04B 43/12(1968.09) (86) International application number: PCT/IB2004/002390 (87) International publication number: WO 2004/113726 (29.12.2004 Gazette 2004/53)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL HR LT LV MK (30) Priority: 26.06.2003 GB 0314887 (71) Applicant: Prineppi, Frank Joseph Cheltenham GL51 9QB (GB)	(72) Inventor: Prineppi, Frank Joseph Cheltenham GL51 9QB (GB) (74) Representative: Fyles, Julie Marie et al Wynne-Jones Laine & James, 22 Rodney Road Cheltenham, Gloucestershire GL50 1JJ Cheltenham, Gloucestershire GL50 1JJ (GB)